40421435 has 8 divisors (see below), whose sum is σ = 49230096. Its totient is φ = 31854240.

The previous prime is 40421413. The next prime is 40421443. The reversal of 40421435 is 53412404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40421435 - 2¹⁰ = 40420411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40421435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59996 + ... + 60665.

It is an arithmetic number, because the mean of its divisors is an integer number (6153762).

Almost surely, 2^40421435 is an apocalyptic number.

40421435 is a deficient number, since it is larger than the sum of its proper divisors (8808661).

40421435 is a wasteful number, since it uses less digits than its factorization.

40421435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120733.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40421435 is about 6357.7853848648. The cubic root of 40421435 is about 343.1920685903.

Adding to 40421435 its reverse (53412404), we get a palindrome (93833839).

The spelling of 40421435 in words is "forty million, four hundred twenty-one thousand, four hundred thirty-five".